Abstract: The present invention provides a method of making a metal ammunition projectile by metal injection molding comprising the steps of: providing a projectile mold to form a nose extending essentially symmetrically to a shoulder; and an essentially cylindrical bearing surface extending from the shoulder to a base; providing a metal injection molding feedstock comprising a powdered metal and a first binding agent and a second binding agent; injection molding the metal injection molding feedstock into the projectile mold to form a first projectile having a first size; debinding the first projectile to remove the first binding agent; and sintering the first projectile to remove the second binding agent and form a projectile having a second size.

Abstract: Metallurgical processes and systems for gas atomization of molten slag and/or molten metals from a metallurgical furnace are integrated with off-gas handling processes and equipment, such that the off-gases are fed to the gas atomization plant for atomizing the molten slag and/or molten metal. The use of by-product off-gases for atomizing molten slag and/or molten metals provides a number of benefits, including elimination of off-gas handling and treatment equipment, centralization and upgrading of heat via atomization to improve heat recovery, prevention of oxidation of granular products of atomization, and reduction of CO2 emissions. A process for preparing a granular product comprises: feeding a molten material and a by-product off-gas to a dispersion apparatus; and contacting the gas with the molten material in the dispersion apparatus, whereby the molten material is dispersed and solidified by contact with the gas to form the granular product.

Abstract: The present invention discloses a method for fabricating a porous spherical iron-based alloy powder, a powder thereof and a sintered body thereof. The method comprises steps: mixing an iron oxide powder and an alloying powder to form a mixed powder; spray-granulating the mixed powder to form a spherical spray-granulated powder; and placing the spherical spray-granulated powder in a reducing environment and heating it to a temperature of lower than 700° C. to obtain a porous spherical iron-based alloy powder having high flowability, high compressibility, superior sinterability and low cost.

Abstract: Indexable, double-sided turning inserts for turning operations and and a turning tool are provided with cutting edges at alternating corners on opposite sides of the insert. Chipbreaker structures can be provided without interfering with providing large supporting surfaces. When the insert is used in a cutting operation, chips from one of the cutting edges in use are unlikely to damage cutting edges that are not in use but are on adjacent corners.

Abstract: A cutting insert of an embodiment includes a cutting edge located at an intersecting part of an upper surface and a side surface. The cutting edge includes a corner cutting edge, a major cutting edge, and a flat cutting edge. The upper surface includes a first land surface located along the corner cutting edge, a second land surface located along the major cutting edge, and a third land surface located along the flat cutting edge. A maximum value of a width of the third land surface is smaller than a maximum value of a width of each of the first land surface and the second land surface in a top view.

Abstract: A surface-coated cutting tool has a hard coating layer on a tool body. The hard coating layer includes a (Ti1?xAlx)(CyN1?y) layer (the average amount Xavg of Al and the average amount Yavg of C satisfy 0.60?Xavg?0.95 and 0?Yavg?0.005). Crystal grains having an NaCl type face-centered cubic structure in the layer have {111} orientation, a columnar structure in which the average grain width of the individual crystal grains having an NaCl type face-centered cubic structure is 0.1 ?m to 2.0 ?m and the average aspect ratio is 2 to 10 is included, and in the individual crystal grains having an NaCl type face-centered cubic structure, a periodic compositional variation in Ti and Al in the composition formula: (Ti1?xAlx)(CyN1?y) is present and the difference between the average of maximum values of x and the average of minimum values thereof is 0.03 to 0.25.

Abstract: There are provided: a sintered material having an excellent wear resistance even under a high speed cutting condition; a tool using the sintered material; and a method of producing the sintered material. The sintered material includes: a first particle group including a particle having a cubic rock-salt structure represented by Al(1-x)CrxN (formula (1)) (where x satisfies 0.2?x?0.8); and a second particle group including a particle of at least one first compound selected from a group consisting of oxide and oxynitride of aluminum, zirconium, yttrium, magnesium, and hafnium.

Abstract: A pocket hole jig contains: a body, a holder, and a fitting sleeve. The body includes at least one accommodation orifice configured to house a driller, each accommodation orifice tilts downwardly and extends toward a bottom of the body, wherein the body also includes a first marking portion arranged on a first side surface thereof. The holder includes an operation room in which the body is fitted and moves relative to the holder, at least one through groove formed on a bottom of the holder so as to correspond to the at least one accommodation orifice, and a first scale section arranged on a first side surface thereof and aligning with the first marking portion. The fitting sleeve is fitted with the driller, and the holder further includes a depth scale section for measuring depths of holes drilled on wooden workpieces by the driller.

Abstract: A double-sided tangential cutting insert comprising a pair of cutting rake faces, a pair of major side surfaces and a pair of opposing minor side faces each having a twisted convex shape. Each of the cutting rake faces is defined between a pair of main cutting edges, a pair of full nose cutting edges, and a pair of opposing convex minor cutting edges. Each of the minor side faces is defined between one of the convex minor cutting edges at one of the rake faces and one of the convex minor cutting edges at the other one of the rake faces wherein, at each minor side face, a ridge line interconnects an apex of the convex minor edge at the one of the rake faces and an apex of the convex minor cutting edge at the other one of the rake faces. Other variants and embodiments are broadly contemplated herein.

Abstract: Hydraulic two-side rolling-cut shears, including: a front transport roller device, a rear transport roller device, a shear body, and a roller carrier. The front transport roller device includes a laser scriber, a magnetic alignment device, and a pinch roller device. The rear transport roller device includes a vertical guide roller. The laser scriber is disposed on the front end of the front transport roller device. The magnetic alignment device is disposed in the middle part of the front transport roller device. The pinch roller device is disposed on the rear end of the front transport roller device in front of the shear body. The roller carrier is disposed longitudinally in the middle of the shear body. The vertical guide roller is disposed on the rear transport roller device and behind the shear body.

Abstract: A table saw includes a height adjustment wheel including a threaded shaft; a blade suspension mechanism secured to a lock crank; a rod secured to both the blade suspension mechanism and a bottom of the cutting surface; an electric motor including a driving shaft and a link extending forward to secure to the blade suspension mechanism; a circular saw blade operatively connected to the driving shaft; first and second mounting plates each secured to the link and including a slanted slot element; and an interconnection including two end holes moveably disposed in the slot elements of the first and second mounting plates respectively, and an intermediate threaded hole secured to the threaded shaft. A rotation of the height adjustment wheel moves the saw blade up or down.

Abstract: Apparatuses and methods based thereon are provided for onboard measurements in miter saws. A measurement device may be attached to or incorporated into a miter saw, where the measurement device being configured to provide onboard measurement when cuts are made using the miter saw. The measurement device may comprise a tape based measurement device. The measurement device may be portable to enable detaching it from the miter saw when on-location measurements are made, and attaching it to the miter saw when cut measurements are provided. The measurement device may comprise an output component (e.g., digital display) for outputting measurement readings and/or information associated with cut measurements. The measurement device (and/or the miter saw itself) may be configured for communicating signals wirelessly in accordance with one or more wireless technologies, such as to enable receiving measurements made remotely.

Abstract: A saw blade comprises a blade backer with a pair of side surfaces that extend substantially parallel to each other. An intermediate surface extends between the pair of side surfaces of the blade backer. A plurality of teeth extends from the intermediate surface. At least one of the teeth is located entirely within planes containing the side surfaces of the blade backer. A tip is formed at an apex end portion of the one tooth. A leading face surface of the tip on the one tooth is disposed at an acute angle relative to a plane extending perpendicular to the planes containing the side surfaces of the blade backer.

Abstract: A machining tool for deburring boreholes, which lead laterally into a recess, comprising: a shaft; a cutting head with at least one circumferential cutting blade associated with a chip groove and having a cutting edge extending, at least in sections, in an axial direction, and which can perform a cutting process by virtue of relative movement between the tool and a workpiece, and which lies on a virtual cylindrical rotation surface; and at least one cutting-blade-free and chip-groove-free surface area; at least one fluid channel closed on the cutting head side, extending through the shaft into the cutting head; and at least one branch channel with an outlet opening. The outlet opening is in a dynamic pressure active surface radially set back relative to the virtual rotation surface, and is larger than a flow cross-sectional area of the at least one branch channel at the outlet opening.

Abstract: Whether or not an inter-electrode voltage exceeds a voltage threshold is determined after a predetermined inter-electrode state determination period has passed since application of an induction voltage (inter-electrode voltage) to an inter-electrode gap. Thus, an inter-electrode gap amount between a wire electrode and a work is estimated. A pause time during which electrical discharge is not performed is changed according to an estimation result of the inter-electrode gap amount.

Abstract: The present invention provides a continuous machining system, which comprises an electrochemical machining module, a separating module, and a vibration reducing module. The electrochemical machining module performs an electrochemical machining to a material strip for forming a plurality of components on the material strip. The separating module separates the plurality of components from the material strip. Thereby, the machining time is saved, and thus achieving the purposes of continuous machining and mass production. The vibration reducing module is located between the electrochemical machining module and the separating module. The vibration reducing module can ease the vibration of the material strip. Consequently, the influence of vibration on the electrochemical machining precision of the material strip machined by the electrochemical machining module may be minimized.

Abstract: In wire-electrical discharge machine and a numerical control apparatus thereof and a numerical control apparatus for controlling a machine tool, optional minute blocks are automatically created in front of and behind a connecting point, i.e., a joint of a block to which an offset command is instructed, and an offset value is exchanged between the minute blocks so that a correct offset value is set in a desired block.

Abstract: In wire-electrical discharge machine and a numerical control apparatus thereof and a numerical control apparatus for controlling a machine tool, optional minute blocks are automatically created in front of and behind a connecting point, i.e., a joint of a block to which an offset command is instructed, and an offset value is exchanged between the minute blocks so that a correct offset value is set in a desired block.

Abstract: A method for reducing a process time for soldering electrical or electronic components by electromagnetic induction heating, in particular soldering electrical contact elements with solder connection surfaces which are applied to a non-metallic substrate, in particular a glass pane, the method comprising the steps providing an electrical contact element configured as a solder base and made from an iron nickel or iron chromium alloy material; applying a lead free connection material to the soldering base, wherein the connection material or the solder is made from a lead free material, in particular Bi57Sn42Ag1, Bi57Sn40Ag3, SAg3.8Cu0.

Abstract: A flux reservoir apparatus (100, 200) includes a stage (12) having a recessed portion (13) for reserving flux (51, 52, 53) therein and a flux pot (20) composed of an annular member having a through hole (30) through which the flux (51, 52, 53) flows, the flux pot arranged to move back and forth on the surface (14) of the stage (12) to feed the flux (51, 52, 53) into the recessed portion (13) and to smooth the surface of the flux (51, 52, 53), in which the through hole (30) is an elongated hexagonal hole with a length greater than the width of the recessed portion (13) in the direction perpendicular to the back-and-forth direction, and in which the bottom surface of a flux pot main body (21) is a chevron surface. This reduces leakage of the flux (51, 52, 53) in the flux reservoir apparatus (100, 200).

Abstract: This welded structure member includes a base metal member including a first surface and a second surface; a joined metal member including an abutting surface of which an end surface abuts onto the first surface; a weld bead which is formed on the first surface; and a weld overlay section which is formed on the second surface of the base metal member, in which the weld bead includes a weld bead end section in a position which is separated to the front of the abutting end section.

Abstract: The invention described herein generally pertains to a system and method for a welding device and, in particular, a hybrid welding device, that leverages a renewable energy source for a source of electrical current. The welding device can include one or more renewable energy kits that harvest renewable energy sources for performing a welding operation or a powering at least one of a device or component external to the welding device. The welding device includes renewable energy component that collects an input to convert to an electrical current that can be used as a replacement current, a supplemental current, or a complimentary current.

Abstract: A method of resistance spot welding a workpiece stack-up that that includes an aluminum workpiece and an adjacent overlapping steel workpiece involves assembling the workpiece stack-up so that an intermediate metallurgical additive is positioned between the faying surfaces of the aluminum and steel workpieces. The intermediate metallurgical additive includes at least one of carbon, silicon, nickel, manganese, chromium, cobalt, or copper, and has the capability to counteract the growth and formation of Fe—Al intermetallic compounds within a molten metal weld pool created within the aluminum workpiece during resistance spot welding of the workpiece stack-up. In certain aspects of the disclosed method, the intermediate metallurgical additive may be one or more metallurgical additive deposits that are deposited onto the faying surface of the aluminum workpiece or the faying surface of the steel workpiece by an oscillating wire arc welding process.

Abstract: A method of resistance spot welding a steel workpiece and an aluminum or aluminum alloy workpiece, and a welding electrode used therein. In one step of the method a workpiece stack-up is provided. The workpiece stack-up includes a steel workpiece and an aluminum or aluminum alloy workpiece. Another step of the method involves contacting the aluminum or aluminum alloy workpiece with a weld face of the welding electrode. The welding electrode has a body and an insert. The insert is composed of a material having an electrical resistivity that is greater than an electrical resistivity of the material of the body. The weld face has a first section defined by a surface of the insert and has a second section defined by a surface of the body. Both the first and second sections make surface-to-surface contact with the aluminum or aluminum alloy workpiece amid resistance spot welding.

Abstract: A method of resistance spot welding a workpiece stack-up that includes an aluminum workpiece and an overlapping adjacent steel workpiece so as to minimize the thickness of an intermetallic layer comprising Fe—Al intermetallic compounds involves providing reaction-slowing elements at the faying interface of the aluminum and steel workpieces. The reaction-slowing elements may include at least one of carbon, copper, silicon, nickel, manganese, cobalt, or chromium. Various ways are available for making the one or more reaction-slowing elements available at the faying interface of the aluminum and steel workpieces including being dissolved in a high strength steel or being present in an interlayer that may take on a variety of forms including a rigid shim, a flexible foil, a deposited layer adhered to and metallurgically bonded with a faying surface of the steel workpiece, or an interadjacent organic material layer that includes particles containing the reaction-slowing elements.

Abstract: A method of joining an aluminum workpiece and an adjacent overlapping steel workpiece by reaction metallurgical joining, and the resultant metallurgical joint formed between the two workpieces, are disclosed. The method involves compressing a reaction material located between the aluminum and steel workpieces and heating the reaction material momentarily to form a metallurgical joint that comprises bonding interface between the reaction material and the steel workpiece and a bonding interface between the reaction material and the aluminum workpiece. The reaction material is formulated to be able to interact with both aluminum and steel in order to establish the bonding interfaces of the metallurgical joint. Moreover, the practice of oscillating wire arc welding may be employed to deposit the reaction material in the form of a reaction material deposit onto the steel workpiece prior to assembling the steel and aluminum workpieces in a workpiece stack-up.

Abstract: A series of many electrical resistance spot welds is to be formed in members of an assembled, but un-joined, body that presents workpiece stack-ups of various combinations of metal workpieces including all aluminum workpieces, all steel workpieces, and a combination of aluminum and steel workpieces. A pair of spot welding electrodes, each with a specified weld face that includes oxide-disrupting features, is used to form the required numbers of aluminum-to-aluminum spot welds, aluminum-to-steel spot welds, and steel-to-steel spot welds. A predetermined sequence of forming the various spot welds may be specified for extending the number of spot welds that can be made before the weld faces must be restored. And, during at least one of the aluminum-to-steel spot welds, a cover is inserted between the weld face of one of the welding electrodes and a side of a workpiece stack-up that includes the adjacent aluminum and steel workpieces.

Abstract: The invention relates to a spot welding cap changer (1) with a cap puller (2) and two cap magazines (3, 3A), the cap puller (2) having a gripper (20) with spring-loaded, pivotable jaws (21, 22), which in response to a turning and axial pulling-off movement detaches a spot welding cap (K) of a pincer spot welding head introduced into it from a shaft of the pincer welding head in such a way that it is clamped to prevent it twisting, and the cap magazines (3, 3A) holding spot welding caps respectively in a round cap carrier (31) such that they are circularly arranged in a directed and oriented manner and are respectively transported individually one after the other into an access position against a stop (32) by an advancing force (P).

Abstract: A method of controlling operation of an electron beam gun and wire feeder during deposition of pools of molten matter onto a substrate to form beads upon solidification of the molten matter. The method includes providing a substrate and a wire source. A molten pool of liquid phase metal is formed on the substrate by melting the wire utilizing an electron beam generated by an electron beam gun. The liquid metal solidifies into a solid phase. A controller utilizes data from a sensor to adjust a process perimeter based, at least in part, on data generated by the sensor.

Abstract: The present invention provides a welding tool member for friction stir welding comprising a silicon nitride sintered body, wherein the silicon nitride sintered body includes an additive component other than silicon nitride in a content of 15% by mass or less, and the additive component includes three or more elements selected from Y, Al, Mg, Si, Ti, Hf, Mo and C. It is preferable that the content of the additive component is 3% by mass or more and 12.5% by mass or less. It is also preferable that the additive component includes four or more elements selected from Y, Al, Mg, Si, Ti, Hf, Mo and C. Due to above structure, there can be provided a welding tool member for friction stir welding having a high durability.

Abstract: The present disclosure arranges a pair of friction stir welding tools including probes and fixed shoulders at corner portions between a first workpiece and a second workpiece. The friction stir welding tools are arranged so that regions where the probes are embedded in the respective the corner portions and stirred are positioned symmetrically with respect to the second workpiece. With this arrangement of the friction stir welding tools, the corner portions are friction stir welded simultaneously.

Abstract: In the present disclosure, friction stir welding tools having probes and stationary shoulders are disposed at corners between a first workpiece and a second workpiece. A welding device main body includes axially perpendicular movement units for moving spindle units, which hold the respective friction stir welding tools on a frame, in directions perpendicular to rotary shafts of probes, and axial movement units for moving the spindle units in directions parallel to the rotary shafts of the probes.

Abstract: A laser beam machine includes a laser oscillator that emits a machining laser beam, an irradiation optical system that irradiates a workpiece with a machining laser beam, a laser array that has a plurality of laser elements disposed in an array and emits an illumination laser beam by output of the plurality of laser elements, an illumination optical system that illuminates the workpiece with the illumination laser beam emitted by the laser array, and an imaging unit that images the workpiece which is illuminated by the illumination optical system with the illumination laser beam.

Abstract: Provided is a laser welding method of materials having different thicknesses that can achieve excellent weld strength regardless of the thickness of a thick plate, and a welded member having different thicknesses.

Abstract: A piercing processing method and a laser processing machine capable of carrying out a piercing processing on a thick plate in short time are provided. It is a processing method for carrying out a piercing processing on a metallic material by laser beams with wavelengths in 1 ?m band, where the piercing processing is carried out by maintaining a range of 8?Zr/d?12 when a condensed beam diameter of the laser beams is set to be d and a Rayleigh length of the laser beams is set to be Zr. At that time, a focal position of the laser beams is set to be on a surface of a workpiece or an external of the workpiece. Then, a beam profile of the laser beams is such that the laser beams of a single mode are converted into a bowler hat shape by a beam quality tunable device.

Abstract: Nickel base superalloys, including in some embodiments 5% to 7% Fe, which were previously developed and used for their corrosion resistance, also possess favorable characteristics for use as a braze filler in repair or joining of superalloy substrates, such as those used to form turbine engine blades and vanes, heat exchangers, vessels, and piping. In particular, such corrosion-resistant nickel base superalloys have favorable characteristics for wide-gap brazing of gaps greater than one millimeter in superalloy substrates that preserves favorable material properties throughout the braze region in the substrate.

Abstract: A flux-cored wire for gas-shielded arc welding has a steel outer sheath filled with a flux. The flux-cored wire includes specific amounts, relative to a total mass of the wire, of TiO2, at least one of Si, an Si oxide and an Si compound, C, Mn, Mo, Ni, at least one of metal Mg and an Mg alloy, an F compound, a K compound, an Na compound, B and a B compound, and Fe, respectively. A total content of each of Ti and a Ti alloy, metal Al and an Al alloy, and V is restricted to the specific range, respectively. A content of Ti is also restricted to the specific range relative to the total mass of the steel outer sheath.

Abstract: Provided are a cladding alloy powder that can increase the wear resistance of a cladding alloy to be deposited and a counterpart member adapted to contact the cladding alloy, and a method for producing an engine valve using the cladding alloy powder. The cladding alloy powder includes 0.2 to 0.5 mass % C, 30 to 45 mass % Mo, 15 to 35 mass % Ni, 0.5 to 2.0 mass % Zr, and a balance including Co with unavoidable impurities. The method for producing an engine valve includes melting the cladding alloy powder, and cladding a valve face portion of an engine valve adapted to contact a valve seat with the melted cladding alloy powder.

Abstract: The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire for joining steel workpieces via arc welding includes a steel sheath disposed around a core. The core includes iron powder, iron titanium powder, silico-manganese powder, iron silicon powder, iron sulfide, graphite, rare earth compound, and a frit. The frit includes a Group I or Group II compound, silicon dioxide, and titanium dioxide. The graphite and the frit together comprise less than 10% of the core by weight.

Abstract: An arc spot welding method able to give a predetermined weld bead diameter or excess metal height in a back surface weld bead of arc spot welding and able to give a welded joint excellent in both strengths of TSS and CTS and a welding apparatus for working the same are provided. A steel sheet containing carbon in 0.2 mass % or more and having a sheet thickness “t” and at least one steel sheet containing carbon in 0.

Abstract: A puller/installer comprises a draw plate, a split ring, a cap plate, and at least one draw member. The draw plate defines a draw plate cam surface. The split ring defines at least one split plate cam surface and is arranged such that the at least one split plate cam surface is in contact with the draw plate cam surface. The at least one draw member is arranged to draw the cap plate and the draw plate towards each other such that the draw plate cam surface engages the at least one split plate cam surface to deform the split ring to alter an effective diameter of the bearing race puller/installer.

Abstract: A method for decreasing the number of assembly workstations, the method comprising the steps of providing a first workstation at a first location, supplied with power from a first power source; providing a product to the first workstation and supplying the product with power from the first power source; providing a second workstation at a second location, supplied with power from a second power source; transporting a product from the first workstation to the second workstation including disconnecting the first power source from the product in order to transport the product; connecting the product to the second power supply at the second workstation; the method further comprising the steps of: prior to supplying the product with power from the first power source placing the product in a device capable of supplying the product with power from a battery; disconnecting the first power source from the device; supplying the product from the battery, so that the product remains supplied with power between the discon

Abstract: The invention relates to a device for clamping a blank part (10) to be machined, characterised in that it comprises a frame (20); means (21, 22, 23) for supporting the part to be machined; means (30, 31) for tightening said part (10) to be machined suitable for tightening said part (10) to be machined; controlled locking means (40, 41) with at least two states of said tightening means (30, 31), a locked state in which said tightening means (30, 31) are immobilised relative to the frame (20), and an unlocked state in which said tightening means (30, 31) are free to move relative to the frame (20), while keeping said part (10) to be machined tightened.

Abstract: A positioning device, in particular a tool positioning device, for a processing center that comprises a compound slide with a first slide movable in a longitudinal direction of the processing center and a second slide that can be moved in a transverse direction relative to the first slide. The first and the second slides have a matching offset configuration of the sides opposite each other, that bear guides and guide elements that interact with each other in order to guide the second slide in the transverse direction. These guides and guide elements are in part arranged at different heights in a vertical direction in such a manner that the second slide is guided on the first slide on at least two spaced apart guiding points, wherein the guiding distance between the guiding points varies during a traversing motion of the second slide relative to the first slide in the transverse direction.

Abstract: Apparatus for machining a component of a gas turbine engine, the apparatus including: a flexible pipe having a first end and a second end and defining a conduit for receiving a fluid; one or more first actuators arranged to enable the first end of the flexible pipe to be re-positioned relative to the second end of the flexible pipe; a turbine positioned adjacent to the first end of the flexible pipe, the turbine being arranged to receive fluid from the conduit of the flexible pipe; and a tool head coupled to the first end of the flexible pipe, the tool head including: a fastener arranged to fasten to a tool and to receive torque from the turbine.

Abstract: A workpiece positioning device for a processing center, and a processing center and a method for positioning a workpiece mounted on a workpiece palette in a processing center is disclosed. The workpiece positioning device comprises a deposit place comprising a horizontal deposit surface for a workpiece palette with a workpiece mounted thereon and a pivot bearing that receives the workpiece palette on a first edge of said workpiece palette in a rotatable manner. Furthermore, the workpiece positioning device comprises a pivoting device for transferring the workpiece palette from a horizontal position into a vertical position, and vice versa. The pivoting device comprises a horizontal and a vertical linear axle and a gripping device and is disposed to grip a workpiece palette on another, second edge and to pivot, by simultaneously moving the horizontal and the vertical linear axles, the workpiece palette around the pivot bearing on a circular path.

Abstract: The invention relates to a device for cooling workpieces. The device has at least one nozzle which is configured to blow a fluid onto a workpiece. At least one surface temperature sensor is able to be arranged on the workpiece. In order to cool the workpiece, it is blown with a fluid by means of the at least one nozzle, the temperature of said fluid being lower than the surface temperature of the workpiece. In the process, the surface temperature is monitored by means of the at least one surface temperature sensor.

Abstract: A machine tool and a control apparatus thereof include an amplitude control unit to control the amplitude of reciprocal vibration by a vibration unit. The amplitude control unit is configured to reduce the amplitude of the reciprocal vibration by the vibration unit as a cutting tool is fed in a feeding direction when the cutting tool reaches a predetermined cutting tool work stopping position on a workpiece in the feeding direction (Z-axis direction) to prevent the cutting tool from cutting the workpiece beyond the cutting tool work stopping position.

Abstract: An error identification method includes a tool sensor position acquisition stage, a reference block position acquisition stage, a relative position calculation stage, a reference tool position acquisition stage, a position measurement sensor measurement stage, a length compensation value calculation stage, a diameter compensation value acquisition stage, a position measurement stage, a position compensation stage, and a geometric error identification stage. The diameter compensation value acquisition stage acquires a radial direction compensation value of the position measurement sensor with the measured jig. The position measurement stage indexes the rotation axis to a plurality of any given angles and measures respective positions of the measured jig. The position compensation stage compensates the position measurement value at the position measurement stage using the length direction compensation value and the radial direction compensation value.

Abstract: The invention relates to a machining device, in particular for machining workpieces consisting of wood, wood products, plastics or similar, said device comprising a workpiece holder for holding a workpiece during the machining, process, and a guide means for displaceably guiding a tool carriage for holding and driving a tool, the workpiece holder and/or the guide means being displaceable by displacement means in order to produce relative movement in a machining direction between the workpiece and the tool, for the machining of the workpiece. The workpiece carriage is displaceably arranged on one side of the guide means and the workpiece carriage supports two tools on one side of the guide means and in the machining direction of the workpiece, said tools being arranged next to one another.